remove SkFloatToScalar macro

src/pdf/SkPDFDevice.cpp

Index: src/pdf/SkPDFDevice.cpp
diff --git a/src/pdf/SkPDFDevice.cpp b/src/pdf/SkPDFDevice.cpp
index 804dc410747dd561ed6d584723b7826d48d4de7e..bdabc53f0f13a629d54fe0acf87251d48b8fb575 100644
--- a/src/pdf/SkPDFDevice.cpp
+++ b/src/pdf/SkPDFDevice.cpp
@@ -745,7 +745,7 @@ SkPDFDevice::SkPDFDevice(const SkISize& pageSize, const SkISize& contentSize,
       fLastMarginContentEntry(NULL),
       fClipStack(NULL),
       fEncoder(NULL),
-      fRasterDpi(SkFloatToScalar(72.0f)) {
+      fRasterDpi(72.0f) {
     // Just report that PDF does not supports perspective in the
     // initial transform.
     NOT_IMPLEMENTED(initialTransform.hasPerspective(), true);
@@ -776,7 +776,7 @@ SkPDFDevice::SkPDFDevice(const SkISize& layerSize,
       fLastMarginContentEntry(NULL),
       fClipStack(NULL),
       fEncoder(NULL),
-      fRasterDpi(SkFloatToScalar(72.0f)) {
+      fRasterDpi(72.0f) {
     fInitialTransform.reset();
     this->init();
 }